//
//  AppDelegate.m
//  IOS_programLifeCycle
//
//  Created by Maculish Ting on 15/4/28.
//  Copyright (c) 2015年 LYD. All rights reserved.
//

#import "AppDelegate.h"

@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    NSLog(@"DidFinishLaunchingWithOption 程序启动并进行初始化，这个阶段初始化根视图控制器");
    return YES;
}

- (void)applicationWillResignActive:(UIApplication *)application{
    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    NSLog(@" resignActive active——inactive 你可以在这里保留UI状态，如游戏状态等");
    
}

- (void)applicationDidEnterBackground:(UIApplication *)application {
    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    NSLog(@"EnterBackground 进入后台时候调用，可以保存用户数据，释放一些资源");
}

- (void)applicationWillEnterForeground:(UIApplication *)application {
    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    NSLog(@"EnterForeground 进入前台,还没有处于活动状态");
}

- (void)applicationDidBecomeActive:(UIApplication *)application {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    NSLog(@"BecomeActive 进入活动状态");
}

- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    NSLog(@"WillTerminate 应用程序将要结束");
}

@end
